This 2017 publication by IDI is divided into two parts. The first part covers background information on the topic SAI independence, while the second part suggests practical strategies for establishing, maintaining, and improving SAI independence.
The Guidance is not finalized. It is available here for archival and informational purposes. Most of the Guidance's contents are currently being re-divided into several articles and guidance notes which will are being posted on the SAI Independence Resource Centre.